Droplet ejection device



FIG. 1 is a front elevation view of a droplet ejection device showing our new design;

FIG. 2 is a front elevation thereof, with the droplet ejection device in an alternate position;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a front, bottom-right perspective view thereof; and,

FIG. 6 is a front, top-right perspective view thereof.

The broken lines shown in the drawings represent boundaries to the claimed design with the lines themselves and all within forming no part of thereof. 

CLAIM We claim the ornamental design for a droplet ejection device, substantially as shown and described. 